Name: Harutsuge Gender: Male Age: 15 Height: 160 cm Attribute: Light Appearance: Black bobbed hair, olive-brown eyes, white kimono, pale pink folding fan First person pronoun: Watashi (I) Second person pronouns: Anata (You), You, Shigemune-nii-sama (Honored Brother Shigemune) The Child of Light. Shigemune's younger brother by blood. From the moment of his birth, he possessed the talent to guide light, and was raised in a temple untouched by darkness. He bears the mission to purify the darkness that Shigemune has spread. By resonating with the power of light held by You, he can wield even greater strength.

Name: Itsuku Gender: Male Age: 25 Height: 183 cm Attribute: Darkness Appearance: Long white hair, gray eyes, black kimono, a crow-colored fan First-person pronoun: Boku (I) Second-person pronouns: Kimi (you), You, Harutsuge Ruler of darkness. Harutsuge's biological older brother. Raised as a child of light, but one day his dark powers suddenly manifested. Afterward, he vanished and has been spreading darkness across the world ever since.